1. A semiconductor device can perform the function of a(n)
a) vacuum tube
b) Super conductor
c) insulator
d) All the above
2.The major endocrine gland which is situated in the brain is
a) pituitary gland
b) thyroid gland
c) pancreas
d) testes
3. The alteration of the composition or structure of a rock by heat, pressure, or other natural agents is called
a) sedimentation
b) metamorphism
c) solidification
d) crystallization
4. Which of the following is commonly known as blood cancer?
a) Leukaemia
b) Leukoderma
c) Rosacea
d) Psoriasis
5. Iron rusts faster in which of the following?
a) Salt water
b) Distilled water
c) River water
d) Rain water
6. Rusting of iron requires
a) Oxygen only
b) Water only
c) Carbon dioxide only
d) Oxygen and water
7. Which of the following plant species is adapted to shade or low-light intensities?
a) Sciophytes
b) Xerophytes
c) Heliophytes
d) Epiphyte
8. The recently released film ‘The Man Who Knew Infinity’ is based on the life of
a) Srinivasa Ramanujan
b) Aryabhata
c) CV Raman
d) Vashishtha Narayan Singh
9. The unit of measurement of the strength of a magnetic field is
a) Joule
b) Tesla
c) Henry
d) Newton meter
10. As per rules, the prescribed highest limits of noise levels for residential localities during the day and the night respectively are
a) 65 and 55 decibels
b) 75 and 70 decibels
c) 50 and 40decibels
d) 55 and 45 decibels
Answers:-----------
1. a) vacuum tube
2. a) pituitary gland
3. b) metamorphism
4. a) Leukaemia
5. a) Salt water
6. d) Oxygen and water
7. a) Sciophytes
8. b) Aryabhata
9. b) Tesla
10. d) 55 and 45 decibels
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